2120324994 has 36 divisors (see below), whose sum is σ = 4639236498. Its totient is φ = 699834240.

The previous prime is 2120324977. The next prime is 2120325001. The reversal of 2120324994 is 4994230212.

It can be written as a sum of positive squares in 3 ways, for example, as 1371591225 + 748733769 = 37035^2 + 27363^2 .

It is a super-2 number, since 2×2120324994² = 8991556160362200072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2076204 + ... + 2077224.

Almost surely, 2^2120324994 is an apocalyptic number.

2120324994 is an abundant number, since it is smaller than the sum of its proper divisors (2518911504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120324994 is a wasteful number, since it uses less digits than its factorization.

2120324994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2120324994 is about 46046.9868069562. The cubic root of 2120324994 is about 1284.6972986321.

The spelling of 2120324994 in words is "two billion, one hundred twenty million, three hundred twenty-four thousand, nine hundred ninety-four".